Headphone



FIG. 1 is a front elevational view of a headphone showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a sectional view thereof taken along line 7--7 of FIG. 4, a sectional view in the opposite direction being a mirror image.

A view in the opposite direction from the arrows shown on line 7--7 in FIG. 4 would be a mirror image of FIG. 7. 

The ornamental design for a headphone, as shown and described. 